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Effect of psychological stress on the L-arginine-nitric oxide pathway and semen quality BJMBR
Eskiocak,S.; Gozen,A.S.; Taskiran,A.; Kilic,A.S.; Eskiocak,M.; Gulen,S..
It has been reported that mental stress causes abnormality of spermiogram parameters. We investigated the effect of psychological stress on the L-arginine-nitric oxide (NO) pathway. Semen samples were collected from 29 healthy fourth semester medical students just before (stress) and 3 months after (non-stress) the final examinations. Psychological stress was measured by the State Anxiety Inventory questionnaire. After standard semen analysis, arginase activity and NO concentration were measured spectrophotometrically in the seminal plasma. Measurements were made in duplicate. During the stress period, sperm concentration (41.28 ± 3.70 vs 77.62 ± 7.13 x 10(6)/mL), rapid progressive motility of spermatozoa (8.79 ± 1.66 vs 20.86 ± 1.63%) and seminal plasma...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Psychological stress; Arginase; Nitric oxide; Sperm motility; Sperm count.
Ano: 2006 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2006000500003
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